Derive a relation between time period and frequency of a wave .

Bone-strengthening physical activity done increases bone-mineral content and bone density in youth.

Part 1: a magnetic levitation or maglev train rides rails without touching them. explain how this works using your data. include the appropriate magnet drawing in your answer. part 2: two objects are near a bar magnet. one is about 1 cm away, while the other is 6 cm away. compare and contrast the magnetic force that affects each object. use your data to answer the question

In science and physics what is the standard unit of measure for speed?